The Sprocket Wheel, cataloged under National Stock Number 3020-01-425-6653, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-425-6653 |
| Primary Part Number | 12374461 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems |
| Status | ACTIVE |
| Spline Minor Diameter | 0.688 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Teeth Hardness Rating | 33.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM |
| Spline Length | 1.200 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Metallic Hardness Rating and Location | 33.0 ROCKWELL C MINIMUM BODY AND 38.0 ROCKWELL C MAXIMUM BODY |
| Spline Major Diameter | 0.787 INCHES NOMINAL IN |
| Bore Type | STRAIGHT SPLINE |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 4 |
| Protruding Hub Characteristic | PLAIN |
| Hardness Rating Test Method | ROCKWELL |
| Spline Quantity | 22 |
| Surface Treatment | PHOSPHATE |
| Material | STEEL |
| Face Width | 0.200 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 12374461 | Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service (USA) |
| 12374461 PRIMARY | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems (USA) |
| Reference | Meaning |
|---|---|
| 12374461 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 3020-01-425-6653 is a Sprocket Wheel, manufactured by General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-425-6653 has 2 manufacturer part numbers on file: 12374461 (Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service), 12374461 (General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems).
Key specifications for 12374461: Spline Minor Diameter: 0.688 INCHES NOMINAL IN; Design Form: PLAIN; Teeth Hardness Rating: 33.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM; Spline Length: 1.200 INCHES NOMINAL IN. 16 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.